Nuclear Localization SignalsCell Nucleusalpha KaryopherinsActive Transport, Cell NucleusAmino Acid SequenceMolecular Sequence DataKaryopherinsCytoplasmNuclear Proteinsbeta KaryopherinsRecombinant Fusion ProteinsGreen Fluorescent ProteinsLuminescent ProteinsProtein Structure, TertiaryCOS CellsProtein TransportSequence DeletionHeLa CellsBase SequenceSequence Homology, Amino AcidCell LineProtein BindingMutationTransfectionTranscription FactorsProtein Sorting SignalsNuclear Export SignalsCloning, MolecularSubcellular FractionsDNA-Binding ProteinsBiological Transportran GTP-Binding ProteinCell NucleolusCarrier ProteinsDNA PrimersNucleoplasminsSignal TransductionCell CompartmentationCercopithecus aethiopsMicroscopy, FluorescenceAmino Acid MotifsBinding SitesMutagenesis, Site-DirectedNuclear EnvelopeRNA-Binding ProteinsMicroscopy, ConfocalAmino Acids, BasicFluorescent Antibody TechniquePhosphorylationZinc FingersDNA, ComplementaryPlasmidsSequence AlignmentRecombinant ProteinsViral ProteinsFluorescent Antibody Technique, Indirectbeta-GalactosidaseConserved SequenceTwo-Hybrid System TechniquesNucleocytoplasmic Transport ProteinsRNA, MessengerBlotting, WesternReceptors, Cytoplasmic and NuclearSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiae3T3 CellsTranscription, GeneticCells, CulturedProtein IsoformsNuclear PoreMutagenesisGenes, ReporterPhosphoproteinsAntigens, Polyomavirus TransformingTranscriptional ActivationTrans-ActivatorsNIH 3T3 CellsFatty Acids, UnsaturatedN-Acylneuraminate CytidylyltransferaseImmunohistochemistryModels, BiologicalAT-Hook MotifsNuclear Pore Complex ProteinsRepressor ProteinsFungal ProteinsNuclear MatrixCell Cycle ProteinsGene Expression RegulationAlternative SplicingDNAImmunoprecipitationDimerizationPlant ProteinsDrosophila ProteinsPoint MutationCell CycleGene Products, vprImmunoblottingTumor Cells, CulturedProteins